// StringFunctions.h: interface for the CStringFunctions class.
//
//////////////////////////////////////////////////////////////////////


#include<string.h>
#include<ctype.h>

class CStringFunctions  
{
public:
	static int numberOfOccurrencesOfCharacter(char c, char* str);
	static char* deleteAt(int pos,char*str);
	static char* filterOff(char* str, bool(*filterFunction)(char));
	static char* makeLetterSet(char* str);
	static char* removeLetter(char c, char *str);
};
